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Dogan Mermertas

Dogan Mermertas

Software Engineer (Computer Science B.Sc.)


Background


About

About

AI-native, results-oriented software engineer with 5+ years of full-stack experience, specializing in React, Node.js, and scalable Dockerized microservices. Strong track record of embedding AI into development workflows using OpenAI’s API (ChatGPT) to drive efficiency, automation, and faster delivery. Passionate about building developer-first tools, optimizing performance, and shipping robust SaaS platforms at scale. Built my own highly performant, secure and scalable website with React, Node.js and Docker, see https://spoken.host

Work Experience

Work Experience

  • Founder & Developer - Spoken

    Feb, 2024 - Present

    Founded and developed a commercial SaaS product (spoken.host) to deliver a self-built software solution to paying customers.

    • Implemented a generalized OAuth mechanism for seamless customer authentication with Spotify.

    • Designed a robust microservice-based architecture with automated CI/CD pipelines using GitHub Actions, deployed to a Linux VPS.

    • Developed backend services in Node.js and the frontend in React (Vite).

    • Engineered CI/CD pipelines with GitHub Actions, adding automated dependency updates to improve security.

    • Containerized microservices with Docker and orchestrated deployments using Docker Swarm for scalability and reliability.

    • Integrated Stripe for subscription billing, implementing Webhooks for precise lifecycle event handling.

    • Key Technologies: JavaScript, Node.js, React, Vite, Stripe, Docker, Docker Swarm, GitHub Actions (CI/CD), Shell, Linux

  • Application Developer (Lead) - Messe Muenchen GmbH

    Jul, 2024 - Dec, 20246 months

    One of the world’s leading trade fair organizers.

    • Led an agile team of developers, streamlining delivery with AI-assisted task automation and process tuning.

    • Integrated OpenAI's ChatGPT API into internal developer tools to automate code generation, testing scaffolds, and documentation.

    • Developed backend services in Java and Salesforce (Apex), reducing dev time significantly through AI integration.

    • Engineered CI/CD pipelines (Bamboo), enhancing them with GPT-based commit analysis and deployment summaries.

    • Containerized services with Docker/Kubernetes for scalable delivery environments.

    • Key Technologies: Java, JavaScript, React, Vite, Salesforce (Apex & Lightning), Docker, Kubernetes, OpenAI API, Bamboo (CI/CD), Bitbucket, Shell, Linux Servers

  • Software Engineer - Essendi it

    Mar, 2023 - Feb, 202411 months

    IT solutions provider specializing in Microservices & Angular-based applications.

    • Developed microservices with Java & Spring Boot, integrating with Angular frontends.

    • Designed Docker Compose environments for local development and CI/CD automation.

    • Conducted unit testing (JUnit) and deployed applications on internal Linux servers.

    • Key Technologies: Java, Spring Boot, JavaScript, Angular, Docker, GitLab CI/CD, Bamboo, Bitbucket, Shell, Linux Servers

  • Software Engineer - Check24

    Feb, 2022 - Mar, 20231 year 1 month

    Germany’s leading comparison platform for insurance, travel, and shopping.

    • Developed high-performance microservices in C#/.NET, handling large-scale customer data processing.

    • Built internal tools using React & JavaScript for improved workflow automation.

    • Optimized system performance, reducing API response time by around 30%.

    • Key Technologies: C#/.NET, React, JavaScript, Typescript, Docker, Kubernetes, AWS, Prometheus, Grafana, Ansible, Bamboo, Bitbucket

  • Various Software Engineering Roles - Check24, Hubert Burda Media, Quest Global Engineering Services

    Jan, 2017 - Feb, 20225 years 1 month

    Previous roles as a working student

    • Developed & maintained backend systems for large-scale data processing and automation.

    • Built internal tools & web-based applications using React, JavaScript, and C#/.NET.

    • Automated workflows & optimized system performance, improving execution speeds

    • Developed JavaScript-based ad-tech libraries for programmatic advertising.

    • Managed & deployed applications using Docker, Kubernetes, AWS, and CI/CD pipelines.

    • Provided technical support & conducted training on software development & automation.

    • Key Technologies: JavaScript, React, C#/.NET, VBA, Docker, Kubernetes, AWS, CI/CD, Kanban, Prometheus, Grafana, ELK Stack, Ansible, Bamboo, Bitbucket, Scrum

Skills

Skills

  • AI-Driven Engineering

    ChatGPT API

    Automated Code Generation

    GPT-Enhanced Dev Workflows

    LLM's

  • Full-Stack Engineering

    React

    JavaScript

    TypeScript

    Node.js

    C#

    Java

    Python

    Git

    C/C++

    Linux Shell & PowerShell

    OpenAI API

    Prompt Engineering

  • DevOps

    Docker

    Github Actions

    Kubernetes

    Docker Swarm

    Microservices

    Ansible

  • Databases

    MongoDB

    Postgres

    Redis

  • Platforms & Tools

    Stripe

    GitHub

    Gitlab

    Bamboo

    Bitbucket

    Linux servers

    Scrum

    Kanban

    Agile

Education

Education

  • Computer Science (Specialization on Software Engineering), Bachelor of Science, Technical University Rosenheim

    Oct, 2015 - Feb, 2022

    2.8
Publications

Publications

  • Bachelor Thesis, TH Rosenheim

    Published on: Jan 08, 2020

    Built a Kubernetes cluster on Raspberry Pi nodes for edge computing & high availability.

Interests

Interests

  • Hobbies

    PowerliftingAutomationCAD 3D PrintingElectrical EngineeringTravel